Low-sulfur coal from Wyoming finds its way into 38 states

Already deeply entrenched at Midwestern and Southeastern power plants in Kansas, Michigan, North Dakota and Georgia, coal from Wyoming has expanded its geographic reach in recent years, even as environmental groups have pushed global-warming concerns to the front of many political and regulatory agendas.

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http://www.billingsgazette.net/articles/2008/01/23/news/wyoming/20-sulfur.txt